Area Codes in The 400's Which Have Cellphones
Area codes in the 400's cover cellphones in the following states: Arizona, Arkansas, California, Florida, Georgia, Maryland, Massachusetts, Missouri, Montana, Nebraska, Ohio, Oklahoma, Pennsylvania, Rhode Island, Tennessee, Texas, Utah, Virginia, Washington, and Wisconsin
Here is a list of the area codes in the 400's which have been found to contain cellphone numbers:
401 Area Code - Covers Cities in Rhode Island
402 Area Code - Covers Cities in Nebraska
405 Area Code - Covers Cities in Oklahoma
406 Area Code - Covers Cities in Montana
407 Area Code - Covers Cities in Florida
408 Area Code - Covers Cities in California
409 Area Code - Covers Cities in Texas
410 Area Code - Covers Cities in Maryland
412 Area Code - Covers Cities in Pennsylvania
413 Area Code - Covers Cities in Massachusetts
414 Area Code - Covers Cities in Wisconsin
415 Area Code - Covers Cities in California
417 Area Code - Covers Cities in Missouri
419 Area Code - Covers Cities in Ohio
423 Area Code - Covers Cities in Tennessee
425 Area Code - Covers Cities in Washington
432 Area Code - Covers Cities in Texas
434 Area Code - Covers Cities in Virginia
435 Area Code - Covers Cities in Utah
440 Area Code - Covers Cities in Ohio
478 Area Code - Covers Cities in Georgia
479 Area Code - Covers Cities in Arkansas
480 Area Code - Covers Cities in Arizona